look up any word, like pussy:
 
1.
Problems from the Book
Dude omfg pftb is so hard
by djmathman September 28, 2013
7 0
 
2.
Pray For The Best
Tom: Dude how do I get past this mob?
Riddle: Just throw an AOE run along the wall and pftb
by buxley July 30, 2008
4 1
 
3.
Peeing From The Butt
To have explosive diarhea so loose it feels like you are peeing from the butt.
Jebus...I drank so much last night I was PFTB all day today.
by roamer March 22, 2007
4 4